CN101558011B - 用于水处理的方法、装置和系统 - Google Patents
用于水处理的方法、装置和系统 Download PDFInfo
- Publication number
- CN101558011B CN101558011B CN2007800289363A CN200780028936A CN101558011B CN 101558011 B CN101558011 B CN 101558011B CN 2007800289363 A CN2007800289363 A CN 2007800289363A CN 200780028936 A CN200780028936 A CN 200780028936A CN 101558011 B CN101558011 B CN 101558011B
- Authority
- CN
- China
- Prior art keywords
- water
- reagent
- container
- chemical reagent
- manipulated variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 0 **(C(*(*)C(*1*)=S)=*)C1=* Chemical compound **(C(*(*)C(*1*)=S)=*)C1=* 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/20—Dissolving using flow mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/32—Injector mixers wherein the additional components are added in a by-pass of the main flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/51—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is circulated through a set of tubes, e.g. with gradual introduction of a component into the circulating flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2209—Controlling the mixing process as a whole, i.e. involving a complete monitoring and controlling of the mixing process during the whole mixing cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
- B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
- C02F1/687—Devices for dosing solid compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83508306P | 2006-08-03 | 2006-08-03 | |
| US60/835,083 | 2006-08-03 | ||
| PCT/IL2007/000965 WO2008015678A2 (en) | 2006-08-03 | 2007-08-02 | Method, device and system for water treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101558011A CN101558011A (zh) | 2009-10-14 |
| CN101558011B true CN101558011B (zh) | 2013-03-27 |
Family
ID=38997567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800289363A Expired - Fee Related CN101558011B (zh) | 2006-08-03 | 2007-08-02 | 用于水处理的方法、装置和系统 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8114298B2 (pt) |
| EP (1) | EP2051943A4 (pt) |
| CN (1) | CN101558011B (pt) |
| BR (1) | BRPI0714080A2 (pt) |
| CA (1) | CA2659189A1 (pt) |
| MX (1) | MX2009001179A (pt) |
| WO (1) | WO2008015678A2 (pt) |
| ZA (1) | ZA200901316B (pt) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009077213A1 (de) | 2007-12-19 | 2009-06-25 | Infracor Gmbh | Verfahren zur behandlung von wasser mit chlordioxid |
| US8076652B2 (en) * | 2008-05-07 | 2011-12-13 | The University Of Memphis Research Foundation | Real-time, on-line analysis of haloacetic acid species and amounts thereof in drinking water supplies |
| DE102008055016A1 (de) | 2008-12-19 | 2010-07-01 | Infracor Gmbh | Verfahren zur Behandlung von Wasser und wässrigen Systemen in Rohrleitungen mit Chlordioxid |
| JP2012532191A (ja) | 2009-07-06 | 2012-12-13 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | [4,6−ビス(ジメチルアミノ)−2−(4−{[4−(トリフルオロメチル)ベンゾイル]アミノ}ベンジル)ピリミジン−5−イル]の多形体 |
| US20110031195A1 (en) * | 2009-08-07 | 2011-02-10 | Wilkinson Chris E | System and Method for Recirculating/Filtering/Flushing a Water Main |
| JP2013512242A (ja) | 2009-11-24 | 2013-04-11 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | ピリミジン−5−イル酢酸誘導体のコリン塩の多形体を調製する方法 |
| US20120302584A1 (en) | 2009-11-24 | 2012-11-29 | Boehringer Ingelheim International Gmbh | Novel salts forms of pyrimidin-5-yl acetic acid derivative |
| ITRM20100444A1 (it) * | 2010-08-06 | 2012-02-07 | Isia S R L | Metodo di dosaggio dei reagenti in un impianto di trattamento di liquidi, e relativo apparato di trattamento. |
| JP5897732B2 (ja) * | 2011-12-22 | 2016-03-30 | ローズマウント インコーポレイテッド | マイクロカプセル型電気泳動表示装置を有する2線式プロセス変数インジケータ |
| US8962534B2 (en) * | 2012-09-07 | 2015-02-24 | Bosque Systems, Llc | Systems and methods of treating water used for hydraulic fracturing |
| RU2570021C2 (ru) * | 2014-07-03 | 2015-12-10 | Юрий Алексеевич Ищенко | Технология производства питьевой воды с остаточным композиционным дезинфектантом повышенного пролонгированного действия |
| CN104712540A (zh) * | 2015-03-27 | 2015-06-17 | 杭州美安物联科技有限公司 | 水泵控制系统 |
| KR101709638B1 (ko) * | 2015-06-03 | 2017-03-08 | (주) 테크로스 | 이염화이소시아눌산나트륨을 이용한 선박평형수 처리장치 |
| KR20170050076A (ko) * | 2015-10-29 | 2017-05-11 | 주식회사 엘지화학 | 혼합기 및 이를 포함하는 반응기 |
| IL244872B (en) | 2016-04-03 | 2022-03-01 | Treitel Chemical Eng Ltd | Apparatus and method for dosing powdery or granular material |
| US12560467B2 (en) | 2016-04-03 | 2026-02-24 | Treitel Chemical Engineering Ltd. | Apparatus and method for dosaging powdered or granulated material |
| WO2018027241A1 (en) * | 2016-08-05 | 2018-02-08 | Passport Food Safety Solutions, Inc. | High volume low pressure feeder system |
| DE102016215454A1 (de) * | 2016-08-18 | 2018-02-22 | FWT GmbH Flamingo water technology | Behälter zur Aufbewahrung einer Lösung und Befüllvorrichtung eines Dosiersystems für eine Wasseraufbereitung |
| WO2018049484A1 (en) * | 2016-09-19 | 2018-03-22 | Sydney Water Corporation | Water treatment system and method |
| US20180215392A1 (en) * | 2017-02-02 | 2018-08-02 | Denso Ten Limited | Vehicle control device and vehicle control method |
| EP3378499B1 (de) * | 2017-03-20 | 2021-09-01 | Schulz GmbH | Vorrichtung und verfahren zum dosieren von desinfektions- und/oder reinigungsmitteln |
| CN106927519B (zh) * | 2017-03-21 | 2021-01-22 | 北京小米移动软件有限公司 | 自动制水方法及装置和智能净水器 |
| DE202017106711U1 (de) | 2017-11-07 | 2017-12-12 | FWT GmbH Flamingo water technology | Dosiersystem für eine Wasseraufbereitung |
| CN109452217B (zh) * | 2018-03-14 | 2021-07-06 | 秦皇岛天泽环保科技有限公司 | 过滤控制污水处理系统 |
| CN108709918A (zh) * | 2018-07-27 | 2018-10-26 | 杭州启绿科技有限公司 | 一种用于水质分析仪的试剂监测装置 |
| WO2020138300A1 (ja) * | 2018-12-27 | 2020-07-02 | 株式会社クラレ | バラスト水処理装置 |
| CN109894009A (zh) * | 2019-04-09 | 2019-06-18 | 牛恩鹏 | 一种溶液配制装置、溶液更换系统及方法 |
| CN110010209B (zh) * | 2019-05-06 | 2019-12-10 | 重庆昕晟环保科技有限公司 | 一种二次供水储水设备出口余氯浓度的计算方法 |
| US12408845B2 (en) | 2019-08-20 | 2025-09-09 | Stryker Corporation | Person support apparatus with adjustable exit detection zones |
| GB2589119B (en) * | 2019-11-21 | 2024-08-07 | Treasure Holdings Ltd | Dosage dispensing system |
| WO2021195410A1 (en) | 2020-03-25 | 2021-09-30 | Wisconsin Alumni Research Foundation (Warf) | Recombinant multivalent influenza viruses |
| FR3128385A1 (fr) * | 2021-10-27 | 2023-04-28 | Graviwater | Dispositif mobile adapté pour la désinfection des canalisations d’eau potable |
| GB2626799A (en) * | 2023-02-06 | 2024-08-07 | Wananchi Ltd | Automated water disinfection dosing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3456801A (en) * | 1968-01-16 | 1969-07-22 | Letcher H Bowles | Apparatus for feeding dry particulate chlorinating reagent into a swimming pool |
| US4912681A (en) * | 1989-04-11 | 1990-03-27 | Idx, Inc. | System for creating a homogeneous admixture from liquid and relatively dry flowable material |
| US6531056B2 (en) * | 1999-07-13 | 2003-03-11 | Hammonds Technical Serv Inc | Chlorination apparatus for controlling material dissolution rate |
| CN1480043A (zh) * | 2002-09-05 | 2004-03-10 | 张天德 | 一种水处理用复方杀菌剂及其制法 |
| US6998057B2 (en) * | 2003-03-25 | 2006-02-14 | Ppg Industries Ohio, Inc. | Method for monitoring and controlling chlorine levels in an aqueous medium |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3595395A (en) | 1968-10-18 | 1971-07-27 | Anzen Prod | Automatic chlorinators for swimming pools |
| US4129230A (en) | 1975-01-06 | 1978-12-12 | Fmc Corporation | Tablet dispenser |
| US4293425A (en) | 1976-10-27 | 1981-10-06 | Kenneth E. Price | Method of chlorinating swimming pools and the like |
| US4181702A (en) | 1978-09-11 | 1980-01-01 | Fmc Corporation | Apparatus for controlled chlorination of water with an alkali metal dichloroisocyanurate |
| US4288430A (en) | 1979-08-06 | 1981-09-08 | Purdue Research Foundation | Disinfectant chlorinated cyanurate containing compositions and method of use |
| US4538744A (en) | 1980-12-01 | 1985-09-03 | Jorg Weissenborn | Device for supplying material with unit doses of parasiticidal composition |
| US4584106A (en) | 1984-08-13 | 1986-04-22 | Held Wayne L | Chlorinator and method |
| US4732689A (en) | 1986-03-03 | 1988-03-22 | Eltech Systems Corporation | Feeder assembly for adding dissolvable agent to a flowing liquid |
| US4759907A (en) | 1986-10-31 | 1988-07-26 | Eltech Systems Corporation | Feeder device and method for adding solid material to a liquid of variable flow rate |
| JPH0629044B2 (ja) | 1988-09-05 | 1994-04-20 | 信越化学工業株式会社 | 粉体供給装置 |
| US5427694A (en) | 1993-07-08 | 1995-06-27 | Calgon Corporation | Process for delivering a selected effective amount of a dry granular antimicrobial composition to an aqueous system |
| GB9513106D0 (en) | 1995-06-27 | 1995-08-30 | Olin Uk Limited | Water treatment system |
| US6544487B1 (en) | 1997-12-17 | 2003-04-08 | Ppg Industries Ohio, Inc. | Chemical feeder |
| ITFI980045A1 (it) | 1998-02-26 | 1999-08-26 | Sintec Srl | Dosatore di additivi in polvere o granuli per impianti idrici, in particolare per piscine |
| US6497822B2 (en) | 2000-07-27 | 2002-12-24 | Arch Chemicals, Inc. | Chemical feeder |
| AU2002314708B2 (en) | 2001-01-16 | 2007-06-07 | Tomco2 Equipment Company | Pathogen Management System |
| IL142389A (en) | 2001-04-02 | 2007-10-31 | Bromine Compounds Ltd | A facility for dispersing solid material |
| US20030077365A1 (en) | 2001-06-28 | 2003-04-24 | Howarth Jonathan N. | Environmentally-friendly microbiological and microbiocidal control in aqueous systems |
| DE10223037C1 (de) | 2002-05-22 | 2003-10-09 | Soell Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Aufbereitung von Wasser |
| US7094353B2 (en) | 2002-11-04 | 2006-08-22 | Arch Chemicals, Inc. | Method of water treatment |
| GB2403947A (en) | 2003-07-15 | 2005-01-19 | Mapal Intro Ltd | Water chlorinating system |
| US7445759B2 (en) * | 2006-04-05 | 2008-11-04 | Papageorge Spyros J | System and method for producing massive amounts of elemental iodine |
| DE102008011276A1 (de) * | 2008-02-27 | 2009-09-03 | Siemens Aktiengesellschaft | CHC-befüllter Behälter sowie Vorrichtung und Verfahren zur Herstellung einer Desinfektionslösung |
-
2007
- 2007-08-02 EP EP07790020A patent/EP2051943A4/en not_active Withdrawn
- 2007-08-02 MX MX2009001179A patent/MX2009001179A/es active IP Right Grant
- 2007-08-02 US US12/309,947 patent/US8114298B2/en not_active Expired - Fee Related
- 2007-08-02 BR BRPI0714080-0A patent/BRPI0714080A2/pt not_active IP Right Cessation
- 2007-08-02 CN CN2007800289363A patent/CN101558011B/zh not_active Expired - Fee Related
- 2007-08-02 WO PCT/IL2007/000965 patent/WO2008015678A2/en not_active Ceased
- 2007-08-02 CA CA002659189A patent/CA2659189A1/en not_active Abandoned
-
2009
- 2009-02-24 ZA ZA2009/01316A patent/ZA200901316B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3456801A (en) * | 1968-01-16 | 1969-07-22 | Letcher H Bowles | Apparatus for feeding dry particulate chlorinating reagent into a swimming pool |
| US4912681A (en) * | 1989-04-11 | 1990-03-27 | Idx, Inc. | System for creating a homogeneous admixture from liquid and relatively dry flowable material |
| US6531056B2 (en) * | 1999-07-13 | 2003-03-11 | Hammonds Technical Serv Inc | Chlorination apparatus for controlling material dissolution rate |
| CN1480043A (zh) * | 2002-09-05 | 2004-03-10 | 张天德 | 一种水处理用复方杀菌剂及其制法 |
| US6998057B2 (en) * | 2003-03-25 | 2006-02-14 | Ppg Industries Ohio, Inc. | Method for monitoring and controlling chlorine levels in an aqueous medium |
Non-Patent Citations (1)
| Title |
|---|
| 石胜尧等.二氯异氰尿酸盐类消毒剂的试制与效果观察.《中国公共卫生》.1999,第15卷(第8期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008015678A3 (en) | 2009-05-07 |
| EP2051943A2 (en) | 2009-04-29 |
| ZA200901316B (en) | 2010-02-24 |
| US20100006513A1 (en) | 2010-01-14 |
| CA2659189A1 (en) | 2008-02-07 |
| EP2051943A4 (en) | 2011-03-23 |
| WO2008015678A2 (en) | 2008-02-07 |
| US8114298B2 (en) | 2012-02-14 |
| MX2009001179A (es) | 2009-06-18 |
| BRPI0714080A2 (pt) | 2012-12-18 |
| CN101558011A (zh) | 2009-10-14 |
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